<?php

/**
 * This is the model class for table "tbl_user".
 *
 * The followings are the available columns in table 'tbl_user':
 * @property integer $id
 * @property string $name
 * @property string $password
 * @property string $email
 * @property datetime $last_login_time
 */
class User extends CActiveRecord {
	public $password_repeat;
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return User the static model class
	 */
	public static function model($className = __CLASS__) {
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName() {
		return 'tbl_user';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules() {
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array( array('name, password, email', 'required'), //bat buoc
		array('name, password', 'length', 'max' => 20), // chieu dai toi da
		array('email', 'length', 'max' => 50),
		// The following rule is used by search().
		// Please remove those attributes that should not be searched.
		array('id, name, password, email', 'safe', 'on' => 'search'), array('password', 'compare'), array('password_repeat', 'safe'), );
	}

	/**
	 * @return array relational rules.
	 */
	public function relations() {
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array();
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels() {
		return array('id' => 'ID', 'name' => 'Name', 'password' => 'Password', 'email' => 'Email','email' => 'Email','last_login_time' =>'Last login time', );
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search() {
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria = new CDbCriteria;

		$criteria -> compare('id', $this -> id);
		$criteria -> compare('name', $this -> name, true);
		$criteria -> compare('password', $this -> password, true);
		$criteria -> compare('email', $this -> email, true);

		return new CActiveDataProvider($this, array('criteria' => $criteria, ));
	}

	/**
	 * perform one-way encryption on the password before we store it in the database
	 */
	protected function afterValidate() {
		parent::afterValidate();
		$this -> password = $this -> encrypt($this -> password);
	}

	public function encrypt($value) {
		return md5($value);
	}

}
